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Updated: Feb 8, 2026

A Murine Model of Stent Implantation in the Carotid Artery for the Study of Restenosis
Published on: May 14, 2013
Statins reduce mortality and failure to rescue after carotid artery stenting
Muhammad Rizwan1, Muhammad Faateh1, Hanaa Dakour-Aridi1
1Division of Vascular Surgery, Department of Surgery, Johns Hopkins University Hospital, Baltimore, Md.
Insights
Statins significantly reduce mortality after carotid artery stenting (CAS), especially in patients experiencing complications like stroke or myocardial infarction (MI). These findings support encouraging statin use for all CAS patients.
Area of Science:
- Cardiovascular Medicine
- Interventional Cardiology
- Pharmacology
Background:
- Statins are proven to reduce risks after carotid endarterectomy.
- The impact of statins on patients undergoing carotid artery stenting (CAS) is not well understood.
Purpose of the Study:
- To investigate the effect of statin use on postoperative outcomes in patients who underwent CAS.
Main Methods:
- Retrospective analysis of the Premier Healthcare Database (2009-2015).
- Inclusion of 17,800 patients undergoing CAS.
- Statistical analysis using univariate and multivariate models to assess statin's impact on outcomes.
Main Results:
- 70% of patients were on statins; this group had more comorbidities.
- Statin use was linked to a 64% reduction in mortality (P < .001) and an 18% reduction in stroke/death (P = .03).
- Statin users showed significantly lower mortality (failure to rescue) if stroke or MI occurred (11.4% vs 30.8%; P < .001).
Conclusions:
- Statin use is associated with reduced mortality and improved outcomes in patients experiencing major complications post-CAS.
- Strong recommendation for statin use in all patients undergoing CAS.
Objective:
The benefit of statins has been well established in reducing morbidities and mortality after carotid endarterectomy. However, the potential advantage of statin use in patients undergoing carotid artery stenting (CAS) remains largely unknown. The purpose of this study was to evaluate the effect of statins on postoperative outcomes after CAS.
Methods:
The Premier Healthcare Database was retrospectively analyzed to identify all patients who underwent CAS from 2009 to 2015. Univariate (χ2 test, t-test) and multivariate models (logistic regression) were used to evaluate the effect of statins on postoperative outcomes.
Results:
A total of 17,800 patients underwent CAS during the study period; 12,416 (70%) patients were taking statins. The statin group had more symptomatic patients (41% vs 31%; P < .001) and had significantly higher comorbidities including hypertension, diabetes, coronary artery disease, dyslipidemia, history of congestive heart failure, history of stroke, history of myocardial infarction (MI), and peripheral artery disease (all P < .05). Postoperative mortality was 1.0% vs 1.8% in the statin and nonstatin groups, respectively (P < .001). Statin use had no effect on odds of postoperative stroke (odds ratio [OR], 1.09; 95% confidence interval [CI], 0.88-1.34; P = .44) and higher odds of MI (OR, 2.08; 95% CI, 1.26-3.45; P = .004). After adjustment for potential confounders, statins were associated with 64% reduction in the odds of death (OR, 0.36; 95% CI, 0.27-0.47; P < .001) and 18% reduction in stroke/death (OR, 0.82; 95% CI, 0.68-0.99; P = .03). In patients who had a stroke or MI, statin users had significantly lower failure to rescue (lower mortality) compared with nonstatin users (11.4% vs 30.8%; P < .001).
Conclusions:
Statin use is associated with significant reduction in mortality and failure to rescue in patients who develop major complications (stroke/MI) after CAS. Therefore, statin use should be strongly encouraged in all patients undergoing CAS.
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